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GeometryQuestion and Answers: Page 33

Question Number 188623    Answers: 1   Comments: 4

Question Number 188615    Answers: 1   Comments: 0

Question Number 188455    Answers: 1   Comments: 0

Question Number 188451    Answers: 3   Comments: 0

Question Number 188444    Answers: 1   Comments: 0

Question Number 188374    Answers: 0   Comments: 0

Question Number 188348    Answers: 0   Comments: 1

Question Number 188339    Answers: 1   Comments: 0

Question Number 188336    Answers: 1   Comments: 0

Question Number 188320    Answers: 1   Comments: 0

if the on △ABC, inner circle radius and outer circle radius r and R show that; r = 4R sin (A/2) ∙ sin (B/2) ∙ sin (C/2)

$$ \\ $$$$\:\:\:\:\:\:\:\:\:\boldsymbol{{if}}\:\boldsymbol{{the}}\:\boldsymbol{{on}}\:\bigtriangleup\boldsymbol{{ABC}},\: \\ $$$$\:\:\boldsymbol{{inner}}\:\boldsymbol{{circle}}\:\boldsymbol{{radius}}\:\boldsymbol{{and}}\:\boldsymbol{{outer}}\:\boldsymbol{{circle}}\:\boldsymbol{{radius}}\:\boldsymbol{{r}}\:\boldsymbol{{and}}\:\boldsymbol{{R}}\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\boldsymbol{{show}}\:\boldsymbol{{that}}; \\ $$$$\:\:\:\:\:\:\boldsymbol{{r}}\:=\:\mathrm{4}\boldsymbol{{R}}\:\boldsymbol{{sin}}\:\frac{\boldsymbol{{A}}}{\mathrm{2}}\:\centerdot\:\boldsymbol{{sin}}\:\frac{\boldsymbol{{B}}}{\mathrm{2}}\:\centerdot\:\boldsymbol{{sin}}\:\frac{\boldsymbol{{C}}}{\mathrm{2}} \\ $$$$ \\ $$

Question Number 188310    Answers: 2   Comments: 1

Question Number 188309    Answers: 1   Comments: 1

Question Number 188296    Answers: 1   Comments: 0

Question Number 188463    Answers: 2   Comments: 0

Question Number 188278    Answers: 1   Comments: 0

Question Number 188277    Answers: 0   Comments: 0

Question Number 188267    Answers: 2   Comments: 0

Question Number 188268    Answers: 1   Comments: 2

Question Number 188239    Answers: 3   Comments: 0

The perimeter of a triangle is 16 units. How many triangles with integer sides can be made?

$$ \\ $$The perimeter of a triangle is 16 units. How many triangles with integer sides can be made?

Question Number 188208    Answers: 2   Comments: 0

Question Number 188207    Answers: 0   Comments: 0

Question Number 188163    Answers: 1   Comments: 2

Question Number 188158    Answers: 0   Comments: 0

Question Number 188155    Answers: 2   Comments: 0

Question Number 188147    Answers: 3   Comments: 0

Question Number 188119    Answers: 1   Comments: 1

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